X-69161797-T-C

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_001032396.4(PJA1):ā€‹c.1277A>Gā€‹(p.His426Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00001 in 1,098,253 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 3 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: not found (cov: 22)
Exomes š‘“: 0.000010 ( 0 hom. 3 hem. )

Consequence

PJA1
NM_001032396.4 missense

Scores

16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.06
Variant links:
Genes affected
PJA1 (HGNC:16648): (praja ring finger ubiquitin ligase 1) This gene encodes an enzyme that has E2-dependent E3 ubiquitin-protein ligase activity. This enzyme belongs to a class of ubiquitin ligases that include a RING finger motif, and it can interact with the E2 ubiquitin-conjugating enzyme UbcH5B. This gene is located in an area of chromosome X where several X-linked cognitive disability disorders have been associated, and it has also been found as part of a contiguous gene deletion associated with craniofrontonasal syndrome, though a direct link to any disorder has yet to be demonstrated. Alternative splicing results in multiple transcript variants. [provided by RefSeq, May 2010]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.122339964).
BS2
High Hemizygotes in GnomAdExome4 at 3 gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PJA1NM_001032396.4 linkuse as main transcriptc.1277A>G p.His426Arg missense_variant 2/2 ENST00000374571.5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PJA1ENST00000374571.5 linkuse as main transcriptc.1277A>G p.His426Arg missense_variant 2/21 NM_001032396.4 P2Q8NG27-3

Frequencies

GnomAD3 genomes
Cov.:
22
GnomAD3 exomes
AF:
0.0000218
AC:
4
AN:
183478
Hom.:
0
AF XY:
0.0000442
AC XY:
3
AN XY:
67916
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000488
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000100
AC:
11
AN:
1098253
Hom.:
0
Cov.:
32
AF XY:
0.00000825
AC XY:
3
AN XY:
363607
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000284
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000950
Gnomad4 OTH exome
AF:
0.0000434
GnomAD4 genome
Cov.:
22
Alfa
AF:
0.0000868
Hom.:
1
Bravo
AF:
0.0000189
ExAC
AF:
0.0000330
AC:
4
EpiCase
AF:
0.00
EpiControl
AF:
0.000119

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsDec 28, 2022The c.1442A>G (p.H481R) alteration is located in exon 2 (coding exon 1) of the PJA1 gene. This alteration results from a A to G substitution at nucleotide position 1442, causing the histidine (H) at amino acid position 481 to be replaced by an arginine (R). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.071
BayesDel_addAF
Benign
-0.64
T
BayesDel_noAF
Benign
-1.0
CADD
Benign
11
DANN
Benign
0.34
DEOGEN2
Benign
0.087
T;.;T;.
FATHMM_MKL
Benign
0.22
N
M_CAP
Benign
0.0047
T
MetaRNN
Benign
0.12
T;T;T;T
MetaSVM
Benign
-0.93
T
MutationAssessor
Benign
1.6
L;.;L;.
MutationTaster
Benign
1.0
N;N;N;N
PrimateAI
Benign
0.34
T
PROVEAN
Benign
-1.5
N;N;N;N
REVEL
Benign
0.091
Sift
Benign
0.039
D;T;D;D
Sift4G
Benign
0.064
T;T;T;T
Polyphen
0.0010
B;B;B;.
Vest4
0.062
MutPred
0.29
Gain of solvent accessibility (P = 0.039);.;Gain of solvent accessibility (P = 0.039);.;
MVP
0.26
MPC
0.39
ClinPred
0.022
T
GERP RS
-2.7
Varity_R
0.085
gMVP
0.89

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs770667160; hg19: chrX-68381640; API